期刊
JOURNAL OF THE AMERICAN ACADEMY OF DERMATOLOGY
卷 85, 期 3, 页码 588-595出版社
MOSBY-ELSEVIER
DOI: 10.1016/j.jaad.2021.01.063
关键词
high risk; Mohs micrographic surgery; outcomes; radiation; recurrence; squamous cell carcinoma; staging
类别
Research on the long-term outcomes of high-risk cutaneous squamous cell carcinomas (hrSCC) treated with Mohs micrographic surgery (MMS) is limited. MMS remains an effective treatment for hrSCC, with factors like perineural invasion, poor differentiation, and immunosuppression associated with poor outcomes. Further study is needed on the effect of adjuvant treatment.
Background: There is limited literature on the long-term outcomes and prognostic factors of high-risk cutaneous squamous cell carcinomas (hrSCC) treated with Mohs micrographic surgery (MMS). Objective: To determine the rates of local recurrence, metastatic disease, and disease-specific death in hrSCCs treated with MMS and patient or tumor factors associated with poor outcomes. Methods: Single-institution, retrospective cohort analysis of hrSCC treated with MMS alone and MMS with adjuvant therapy. Results: A total of 882 cases of hrSCC treated with MMS were identified, of which 842 were treated with MMS alone, with a median follow-up time of 2.4 years. The rate of local recurrence was 2.5%, of metastatic disease was 1.9%, and of disease-specific death was 0.57%. Perineural invasion, poor differentiation, and immunosuppression were significantly associated with poor outcomes. In propensity score-matched case patients treated with adjuvant therapy and control patients treated with Mohs alone, there was no significant difference in progression-free survival, but matching was imperfect. Conclusions: MMS remains an effective treatment for hrSCC. Current SCC staging systems may be limited by inconsistent inclusion of poor differentiation. Immunosuppression, especially transplant, should be considered a high-risk clinical feature. Further study is needed on the effect of adjuvant treatment.
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